Ring substituted 3-phenyl-1-(2-pyrazinyl)-2-propen-1-ones as potential photosynthesis-inhibiting, antifungal and antimycobacterial agents
作者:Veronika Opletalová、Jiřı́ Hartl、Asmita Patel、Karel Palát、Vladimı́r Buchta
DOI:10.1016/s0014-827x(01)01187-9
日期:2002.2
Four series of ring substituted (E)-3-phenyl-1-(2-pyrazinyl)-2-propen-1-ones were prepared by means of modified Claisen-Schmidt condensation of acetylpyrazines with aromatic aldehydes. The structures were confirmed by elemental analysis, IR, H-1 NMR and C-13 NMR spectra. The compounds were tested for specific biological properties and some derivatives exhibited photosynthesis-inhibiting, antifungal and antimycobacterial properties. The most pronounced effects were observed with compounds substituted with phenolic groups. Ortho-hydroxyl substituted derivatives were more potent than the corresponding para-hydroxyl substituted analogues. (C) 2002 Editions scientifiques et medicales Elsevier SAS. All rights reserved.